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What is SaaS, PaaS and IaaS? With examples

...ike virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc. Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine. PaaS (Platform as a Service), as the name suggests, provides you computing platform...
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?

...l> - you can add any animal to it... including a cat. Now, can you logically add a cat to a litter of puppies? Absolutely not. // Illegal code - because otherwise life would be Bad List<Dog> dogs = new ArrayList<Dog>(); // ArrayList implements List List<Animal> animals = dogs; ...
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applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli

...ugh springboard, app switching or URL) applicationWillEnterForeground: is called. It is only executed once when the app becomes ready for use, after being put into the background, while applicationDidBecomeActive: may be called multiple times after launch. This makes applicationWillEnterForeground: ...
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Difference between app.use and app.get in express.js

...nt" path, app.use() will respond to any path that starts with /, which are all of them and regardless of HTTP verb used: GET / PUT /foo POST /foo/bar etc. app.get(), on the other hand, is part of Express' application routing and is intended for matching and handling a specific route when request...
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Why do I get a SyntaxError for a Unicode escape in my file path?

The folder I want to get to is called python and is on my desktop. 7 Answers 7 ...
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Is recursion ever faster than looping?

...airly expensive compared to iteration (in general) because it requires the allocation of a new stack frame. In some C compilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function...
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Splitting a Java String by the pipe symbol using split(“|”)

... you are my second choice as a moderator on stack overflow. All the best. – Däñish Shärmà Nov 19 '16 at 11:11 ...
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Is there a way to call a stored procedure with Dapper?

...nt b = p.Get<int>("@b"); int c = p.Get<int>("@c"); Additionally you can use exec in a batch, but that is more clunky. share | improve this answer | follow ...
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Android emulator freezing OS X v10.9 (Mavericks) with HAXM

...ith a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting down, but the screen hasn't faded to grey). ...
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How can I search Git branches for a file or directory?

... git log + git branch will find it for you: % git log --all -- somefile commit 55d2069a092e07c56a6b4d321509ba7620664c63 Author: Dustin Sallings <dustin@spy.net> Date: Tue Dec 16 14:16:22 2008 -0800 added somefile % git branch -a --contains 55d2069 otherbranch S...